Advertisements
Advertisements
प्रश्न
Simplify this expression and find its value if x = 3, a = −1, b = −2.
10 - 3b - 4 - 5b
बेरीज
Advertisements
उत्तर
10 - 3b - 4 - 5b on putting b = -2 in the given equation
= 10 - 4 - 3b - 5b
= 6 - 8b
= 6 - 8 × (-2)
= 6 + 16
= 22
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Algebraic Expressions - EXERCISE 10.2 [पृष्ठ १६९]
APPEARS IN
संबंधित प्रश्न
Simplify this expression and find its value if x = 3, a = −1, b = −2.
2a - 2b - 4 - 5 + a
If z = 10, find the value of z3 − 3 (z − 10).
If x = 4, evaluate:
`"x"^2/2`
If x = 4, evaluate:
5x2 + 4x
If x = 4, evaluate:
`"x"^2/8`
If x = 10, evaluate:
6x2 – 25x
If x = 5 and y = 4, evaluate:
3y2
If y = 5 and z = 2, evaluate:
9y2z
If x = 2 and y = 10, evaluate:
(10x)2
Evaluate the expression \[n^3+5n^2+5n-2\] n = −2.
